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Finding the Fourth Proportional to 492,756.60, 738,098.10 and 409,812.60

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Solution

The fourth proportional to 492,756.60, 738,098.10 and 409,812.60 is: 613,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,756.60 : 738,098.10 = 409,812.60 : x
  2. Step 2: Convert to fraction form
    492,756.60/738,098.10 = 409,812.60/x
  3. Step 3: Cross multiply
    492,756.60x = 738,098.10 × 409,812.60
  4. Step 4: Simplify right side
    492,756.60x = 302,481,901,416.06
  5. Step 5: Solve for x
    x = 302,481,901,416.06/492,756.60
  6. Step 6: Final answer
    x = 613,856.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.